Commit Message

Use TARGET_VIRT_ADDR_SPACE_BITS for the virtual memory map based off
of l1_map. This rewrites page_find_alloc, page_flush_tb, and
walk_memory_regions.
Use TARGET_PHYS_ADDR_SPACE_BITS for the physical memory map based off
of l1_phys_map. This rewrites page_phys_find_alloc and
phys_page_for_each.
---
cpu-all.h | 7 +-
exec.c | 442 +++++++++++++++++++++++++++++++++++++------------------------
2 files changed, 271 insertions(+), 178 deletions(-)